CN215507711U

CN215507711U - Proportion formula seed sieve separator

Info

Publication number: CN215507711U
Application number: CN202121217356.2U
Authority: CN
Inventors: 周安来; 李兆明; 曹建
Original assignee: Nanjing Lvling Seed Industry Co ltd
Current assignee: Nanjing Lvling Seed Industry Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-14
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a specific gravity type seed screening machine, relates to the technical field of seed screening equipment, and aims to solve the problem that a sieve plate is difficult to replace and disassemble in the prior art. The technical scheme is characterized in that a sieve plate is obliquely arranged in a screening box, transverse mounting plates are arranged above two ends of the sieve plate, the mounting plates are connected with the corresponding end parts of the sieve plate through vertical connecting plates, two fixing plates which are respectively arranged below the corresponding mounting plates and above the sieve plate are arranged on the inner side wall of the screening box, a screw rod and a spring are arranged at the top of each fixing plate along the vertical direction, a through hole for the screw rod to pass through is formed in each mounting plate, a nut arranged above the mounting plates is arranged on each screw rod in a threaded fit manner, and the top end of each spring is abutted against the corresponding mounting plate and is in a compression state; the sieve plate is connected with a vibrating mechanism which drives the sieve plate to vibrate up and down. The utility model achieves the effects of conveniently replacing the sieve plate and improving the screening efficiency.

Description

Proportion formula seed sieve separator

Technical Field

The utility model relates to the technical field of seed screening equipment, in particular to a specific gravity type seed screening machine.

Background

With the increasing development of agriculture and grain industry in China, particularly the continuous development and progress of grain harvesting machinery and methods, the increase of the content and the variety of light impurities in grains correspondingly puts higher technical requirements on grain cleaning processing machinery, cleaning is an indispensable link after grain harvest, and the harvested grains not only contain full and mature seeds, but also mechanically damaged, crushed and immature grains, and also contain a plurality of impurities such as silt, broken ears, husks and the like, so that the harvested grains need to be cleaned to meet the requirements no matter the seeds are left or sold, and therefore various cleaning machines are invented for people.

The chinese patent that has application number for CN202020478984.5 discloses a compound proportion sieving mechanism for grain cleaner, comprising a base plate, the last wall of bottom plate is fixed with the screening case, first sieve and second sieve are installed to the inside slope of screening case, first sieve is located the top of second sieve, and the exterior wall one end of first sieve and second sieve has all seted up the unloading hole, the below that screening incasement wall just is located first sieve and second sieve all is fixed with the tray, the slot has been seted up to the last wall of tray, the lower wall both ends symmetric connection of first sieve and second sieve has the inserted block with slot looks adaptation, has realized inserting of sieve and has established fixedly, is favorable to the quick replacement of sieve.

However, the above-described technical solutions have the following problems: cereal drops on the sieve, only relies on cereal to roll on the sieve with wind-force in order to realize the cereal separation of different particle diameters and proportion, sieve self motionless, influences the screening effect to the sieve inserts through inserted block and slot and establishes fixedly, is difficult to realize that the sieve shakes in order to improve the screening separation effect, and above-mentioned problem remains to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a specific gravity type seed screening machine which has the effect of conveniently and quickly replacing a screen plate.

The above object of the present invention is achieved by the following technical solutions:

a specific gravity type seed screening machine comprises a screening box, wherein the top of the screening box is connected with a horn-shaped feeding port, a screening plate is obliquely arranged in the screening box, the higher end of the screening plate is communicated with a fan, the lower end of the screening plate is communicated with a first discharging port, and a second discharging port is arranged on the bottom wall of the screening box; the screening box is characterized in that transverse mounting plates are arranged above two ends of the screening plate, the mounting plates are connected with the corresponding end parts of the screening plate through vertical connecting plates, two fixing plates which are respectively positioned below the corresponding mounting plates and above the screening plate are arranged on the inner side wall of the screening box, a screw rod and a spring are arranged at the top of each fixing plate along the vertical direction, a through hole for the screw rod to pass through is formed in the mounting plate, a nut which is positioned above the mounting plates is arranged on the screw rod in a threaded fit manner, and the top end of the spring is abutted against the mounting plates and is in a compression state; the sieve plate is connected with a vibration mechanism for driving the sieve plate to vibrate up and down.

The utility model is further configured to: the vibrating mechanism comprises a motor located below the fixed plate and above the sieve plate, the motor is fixed on the inner wall of the screening box, the output end of the motor is connected with an eccentric wheel, and the convex end of the eccentric wheel is abutted to the top wall of the sieve plate.

The utility model is further configured to: the spring is detachably connected with the mounting plate.

The utility model is further configured to: the spring top is connected with solid fixed ring, set up the hole of stepping down that supplies solid fixed ring to pass on the mounting panel, solid fixed ring top is inserted and is equipped with the solid fixed ring of restriction and pass the dead lever in the hole of stepping down.

The utility model is further configured to: four springs are distributed between the mounting plate and the fixing plate in a rectangular array mode, and the fixing rod is inserted into the two fixing rings simultaneously.

The utility model is further configured to: the hole of stepping down is rectangle, the length direction of fixed link is parallel with the length direction in the hole of stepping down, solid fixed ring's diameter length is less than the length in the hole of stepping down and is greater than the width in the hole of stepping down.

The utility model is further configured to: and the two ends of the sieve plate are provided with vibrating mechanisms.

The utility model is further configured to: and a heating pipe is arranged at the top of the screening box.

In conclusion, the beneficial technical effects of the utility model are as follows:

1. through the arrangement of the mounting plate, the connecting plate, the fixing plate, the screw, the spring, the through hole, the nut and the vibrating mechanism, on one hand, the effect of conveniently disassembling the sieve plate is achieved, on the other hand, the vibrating mechanism is matched with the spring to continuously generate a vibrating acting force on the sieve plate, so that the seed screening on the sieve plate is more efficient;

2. through the arrangement of the fixing ring, the abdicating hole and the fixing rod, the detachable connection between the spring and the mounting plate is realized, so that the effect of conveniently detaching the sieve plate is achieved, and the effect of stable structure is achieved;

3. through the setting of heating pipe, keep screening incasement portion dry, prevent that the seed adhesion from on screening case lateral wall or the seed from weing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a top view of a mounting plate in an embodiment of the utility model.

In the figure, 1, a screening box; 12. a feeding port; 13. a first discharge port; 14. a second discharge port; 2. a sieve plate; 21. a fan; 3. mounting a plate; 31. a connecting plate; 32. a fixing plate; 33. a screw; 34. a spring; 35. a nut; 36. a fixing ring; 37. a hole of abdication; 38. fixing the rod; 4. a motor; 41. an eccentric wheel; 5. heating the tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the specific gravity type seed screening machine disclosed by the utility model comprises a screening box 1, wherein the top of the screening box 1 is connected with a horn-shaped feeding port 12, a screening plate 2 is obliquely arranged in the screening box 1, the higher end of the screening plate 2 is communicated with a fan 21, the lower end of the screening plate 2 is communicated with a first discharging port 13, and the bottom wall of the screening box 1 is provided with a second discharging port 14. Both ends top of board all is provided with horizontal mounting panel 3, mounting panel 3 corresponds the tip with sieve 2 and passes through vertical connecting plate 31 to be connected, be provided with two on the 1 inside wall of screening case and be located respectively and correspond the mounting panel 3 below, the fixed plate 32 of sieve 2 top, fixed plate 32 top is provided with screw rod 33 and spring 34 along vertical direction, set up the perforation that supplies screw rod 33 to pass on the mounting panel 3, screw-thread fit is provided with the nut 35 that is located the mounting panel 3 top on the screw rod 33, spring 34 top offsets with mounting panel 3 and is in compression state.

The sieve plate 2 is connected with a vibrating mechanism which drives the sieve plate 2 to vibrate up and down. The vibrating mechanism comprises a motor 4 which is positioned below the fixing plate 32 and above the sieve plate 2, the motor 4 is fixed on the inner wall of the screening box 1, the output end of the motor 4 is connected with an eccentric wheel 41, and the convex end of the eccentric wheel 41 is abutted to the top wall of the sieve plate 2. In order to keep the vibration balance of the screen deck 2, a vibration mechanism is provided below both the fixing plates 32.

With reference to fig. 1 and 2, the spring 34 is removably attached to the mounting plate 3 in order to improve the stability of the attachment of the spring 34 to the mounting plate 3 and at the same time to facilitate the removal of the screen deck 2. Specifically, the top end of the spring 34 is connected with a fixing ring 36, the mounting plate 3 is provided with a yielding hole 37 for the fixing ring 36 to pass through, and the top of the fixing ring 36 is inserted with a fixing rod 38 for limiting the fixing ring 36 to pass through the yielding hole 37. Four springs 34 are distributed between the mounting plate 3 and the fixing plate 32 in a rectangular array, and a fixing rod 38 is simultaneously inserted into two fixing rings 36. The yielding hole 37 is rectangular, the length direction of the fixing rod 38 is parallel to the length direction of the yielding hole 37, and the diameter length of the fixing ring 36 is smaller than the length of the yielding hole 37 and larger than the width of the yielding hole 37.

Referring to fig. 1, a heating pipe 5 is installed on the top of the screening box 1 to keep the inside of the screening box 1 dry and prevent the seeds from adhering to the side wall of the screening box 1 or being affected with moisture.

The implementation principle of the embodiment is as follows: in the working state of the screening machine, seeds are poured into the screening box 1 from the feeding port 12 and fall on the screen plate 2. The motor 4 drives the eccentric wheel 41 to continuously impact the sieve plate 2, so that the sieve plate 2 moves downwards, and the sieve plate 2 resets under the action of the spring 34, so as to reciprocate, realize the vibration of the sieve plate 2 and improve the screening efficiency of the sieve plate 2. Meanwhile, the fan 21 continuously generates positive pressure, so that seeds which cannot pass through the sieve plate 2 are discharged from the first discharge hole 13 to the screening box 1, and seeds which pass through the sieve plate 2 are discharged from the second discharge hole 14.

When the sieve plate 2 needs to be replaced, the fixing rod 38 is taken out of the fixing ring 36, the connection between the spring 34 and the mounting plate 3 is released, then the nut 35 is taken down from the screw rod 33, and the sieve plate 2 is moved upwards in the vertical direction until the sieve plate 2 is separated from the screw rod 33.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a proportion formula seed sieve separator, includes screening case (1), screening case (1) top is connected with the feed inlet (12) of loudspeaker form, its characterized in that: a sieve plate (2) is obliquely arranged in the screening box (1), the higher end of the sieve plate (2) is communicated with a fan (21), the lower end of the sieve plate (2) is communicated with a first discharge hole (13), and a second discharge hole (14) is formed in the bottom wall of the screening box (1); the screening device is characterized in that transverse mounting plates (3) are arranged above two ends of the screen plate (2), the mounting plates (3) are connected with corresponding ends of the screen plate (2) through vertical connecting plates (31), two fixing plates (32) which are respectively positioned below the corresponding mounting plates (3) and above the screen plate (2) are arranged on the inner side wall of the screening box (1), a screw rod (33) and a spring (34) are arranged at the top of each fixing plate (32) along the vertical direction, a through hole for the screw rod (33) to pass through is formed in each mounting plate (3), a nut (35) positioned above the mounting plates (3) is arranged on each screw rod (33) in a threaded fit mode, and the top ends of the springs (34) are abutted against the mounting plates (3) and are in a compression state; the sieve plate (2) is connected with a vibration mechanism for driving the sieve plate (2) to vibrate up and down.

2. The specific gravity type seed screening machine according to claim 1, wherein: the vibrating mechanism comprises a motor (4) located below a fixing plate (32) and above a sieve plate (2), the motor (4) is fixed on the inner wall of the screening box (1), an output end of the motor (4) is connected with an eccentric wheel (41), and one end of the eccentric wheel (41) protrudes out of the top wall of the sieve plate (2).

3. The specific gravity type seed screening machine according to claim 2, wherein: the spring (34) is detachably connected with the mounting plate (3).

4. The specific gravity type seed screening machine according to claim 3, wherein: spring (34) top is connected with solid fixed ring (36), offer on mounting panel (3) and supply solid fixed ring (36) to pass hole of stepping down (37), gu fixed ring (36) top is inserted and is equipped with the solid fixed ring of restriction (36) and pass dead lever (38) of hole of stepping down (37).

5. The specific gravity type seed screening machine according to claim 4, wherein: four springs (34) are distributed between the mounting plate (3) and the fixing plate (32) in a rectangular array mode, and the fixing rod (38) is inserted into the two fixing rings (36) simultaneously.

6. The specific gravity type seed screening machine according to claim 5, wherein: the hole of stepping down (37) is the rectangle, the length direction of dead lever (38) is parallel with the length direction of the hole of stepping down (37), the diameter length of solid fixed ring (36) is less than the length of the hole of stepping down (37) and is greater than the width of the hole of stepping down (37).

7. The specific gravity type seed screening machine according to claim 6, wherein: and vibrating mechanisms are arranged at two ends of the sieve plate (2).

8. The specific gravity type seed screening machine according to claim 1, wherein: the top of the screening box (1) is provided with a heating pipe (5).